FAO. (1997). FAO agricultural services bulletin; N128: Renewable biological systems for alternative sustainable energy production. Rome: FAO.
शिकागो स्टाइल उद्धरणFAO. FAO Agricultural Services Bulletin; N128: Renewable Biological Systems for Alternative Sustainable Energy Production. Rome: FAO, 1997.
एमएलए उद्धरणFAO. FAO Agricultural Services Bulletin; N128: Renewable Biological Systems for Alternative Sustainable Energy Production. Rome: FAO, 1997.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.